CN112812639A - Waterborne environment-friendly primer-topcoat coating for ship building and cabin - Google Patents
Waterborne environment-friendly primer-topcoat coating for ship building and cabin Download PDFInfo
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- CN112812639A CN112812639A CN202110004824.6A CN202110004824A CN112812639A CN 112812639 A CN112812639 A CN 112812639A CN 202110004824 A CN202110004824 A CN 202110004824A CN 112812639 A CN112812639 A CN 112812639A
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- water
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
Abstract
The invention provides a waterborne environment-friendly primer-topcoat coating for ship buildings and cabins, which comprises the following components in percentage by mass: 50-70% of special modified emulsion, 5-15% of pigment, 10-25% of functional filler, 3-8% of cosolvent, 3-8% of water-based auxiliary agent and 7-12% of water; the special modified emulsion is one or more of self-crosslinking acrylate modified copolymer emulsion, water-based acrylic acid epoxy hybrid emulsion and water-based nano hybrid resin. The product coating film has excellent corrosion resistance, adhesive force, impact resistance, wear resistance, glossiness and outstanding flexibility, combines the performances of the water-based primer and the water-based finish paint, meets the actual requirements of building and cabins on ships, reduces the construction number, greatly shortens the construction period, improves the operation efficiency, and realizes the effective unification of environmental protection, construction convenience, corrosion resistance and decoration.
Description
Technical Field
The invention relates to the field of ship coatings, and mainly relates to a water-based environment-friendly primer-topcoat coating for ship buildings and cabins.
Background
Most of coatings used for building and cabins on ships at present are organic solvent-based coatings, a large amount of Volatile Organic Compounds (VOC) can be generated in the construction process, the environment is polluted, accidents such as fire disasters and poisoning easily occur, and the health of personnel in the cabins is influenced. The waterborne marine engine room coating takes water as a dispersion medium, so that the use and emission of VOC can be greatly reduced, and the environmental pollution is reduced. The coating is non-combustible and non-explosive in the production, storage and coating processes, can eliminate fire and toxic hidden troubles in the coating construction of the inner cabin, enables fire operation and cross operation to be possible, and improves the working efficiency.
Meanwhile, in the field of ships, due to the particularity of the construction process, the construction period of each section is tight. According to actual needs, a construction process is innovated, namely, the primer-topcoat integrated coating is adopted to replace the traditional primer-topcoat matched coating, so that the construction number is reduced, the construction efficiency is greatly improved, and the material and labor cost is reduced.
The literature has conducted many studies on primer-topcoat coatings. For example, patent document CN104449166A discloses a one-component primer-topcoat coating commonly used on stainless steel, galvanized sheet and aluminum alloy, which is composed of epoxy modified acrylic resin, xylene, butyl acetate, leveling agent, defoaming agent, adhesion promoter, chlorinated paraffin, precipitated barium sulfate, rutile titanium dioxide, carbon black powder, medium chromium yellow powder, polyamide wax and other components; although the paint has good adhesive force on metal substrates such as stainless steel and the like, the paint belongs to the traditional solvent-based paint, and has serious VOC emission and poor environmental protection. For another example, patent document CN106046986A discloses a fast-drying primer-topcoat coating, which is prepared from the following raw materials: 60-80 parts of water-based acrylic resin, 20-30 parts of amino resin, 6-8 parts of coloring pigment, 10-20 parts of filler, 8-10 parts of defoaming agent, 6-8 parts of flatting agent, 120-130 parts of deionized water, 6-8 parts of nano titanium dioxide, 5-7 parts of maleic anhydride, 8-10 parts of ethanol and 15-25 parts of curing powder; although the coating belongs to a water-based environment-friendly primer-topcoat coating and is high in drying speed, the coating needs to be baked at a high temperature of 80 ℃ for curing, and cannot be cured to form a film under a normal temperature condition, so that the coating is not suitable for coating large parts such as ship buildings and cabins. For another example, patent document CN105238171A discloses a water-based heavy-duty primer-topcoat paint formulation, which comprises the following components: 10-20% of water-based polysiloxane resin, 10-15% of water-based fluorocarbon resin, 10-15% of water-based quinone amine polymer, 5-15% of water-based epoxy resin and other polymers, 5-15% of water-based phenol aldehyde amine epoxy curing agent, 1-5% of coloring pigment, 2-7% of anti-rust pigment, 10-15% of inorganic filler, 1-3% of pH value regulator, 1-5% of cosolvent, 5-12% of dispersant, 1-5% of thickener, 0.5-1.3% of defoamer and 0.5-1.7% of flatting agent; although the coating has better salt spray resistance, the coating needs higher coating thickness, needs multiple spraying, has low construction efficiency and loses the advantages of the primer-topcoat coating.
Therefore, the water-based environment-friendly primer-topcoat coating for ship buildings and cabins has important application value.
Disclosure of Invention
The invention aims to provide the water-based environment-friendly primer-topcoat integrated coating for ship buildings and cabins, so that the application of the water-based environment-friendly primer-topcoat integrated coating in the ship buildings and cabins is realized, the bottleneck that the traditional primer and the finish coat need to be constructed separately is overcome, the performances of the water-based primer and the water-based finish coat are integrated, the number of coating construction tracks is reduced, the construction efficiency is improved, and the material cost and the labor cost are reduced; the coating is more environment-friendly and healthy, and a reliable choice is provided for replacing the traditional solvent-based coating for building and cabins on ships.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a waterborne environment-friendly primer-topcoat integrated coating for ship buildings and cabins, which is characterized by comprising the following components in percentage by mass:
the special modified emulsion is one or more of self-crosslinking acrylate modified copolymer emulsion, water-based acrylic acid epoxy hybrid emulsion and water-based nano hybrid resin, does not contain heavy metal and Alkylphenol Polyoxyethylene (APEO), does not contain formaldehyde, and accords with health and environmental regulations.
Preferably, the self-crosslinking acrylate modified copolymer emulsion has the weight solid content of 40-45%, the pH value of 7.5-8.5, the lowest film forming temperature of 34 +/-2 ℃ and the viscosity of less than 200mPa.s, can be used for pigment co-grinding, and further improves the operability and the flexibility, such as Luborun CR-765; the water-based acrylic acid epoxy hybrid emulsion has the weight solid content of 50-52 percent, the pH value of 8.5-9.5 and the lowest film forming temperature of 15 +/-2 ℃, such as the Dow chemical MAINCOTETMAEH-20; the aqueous nano hybrid resin has the weight solid content of 30-35 percent, the pH value of 8.5-9.5, the lowest film forming temperature of 0 +/-2 ℃, the viscosity of less than 100mPa.s and excellent low-temperature film forming property, such as UT-2604 of Shanghai Dongdong fluorine chemical engineering.
Preferably, the pigment is one or a mixture of more of titanium dioxide, iron oxide red, carbon black, iron yellow, aluminum paste and water-based color paste; the titanium dioxide is in a rutile structure, such as DuPont R706; the selected pigment has excellent film covering power, weather resistance, ultraviolet yellowing resistance and decorative property.
Preferably, the functional filler is one or a mixture of more of zinc phosphate, aluminum tripolyphosphate, precipitated barium sulfate, talcum powder, mica powder and wollastonite powder; the selected functional filler has excellent corrosion resistance, water resistance and sealing property; the zinc phosphate is environment-friendly zinc phosphate, the zinc content is more than or equal to 45 percent, the phosphate radical content is 43 to 47 percent, and the whiteness is more than or equal to 95 percent, such as environment-friendly zinc phosphate in Shijiaxinsheng chemical industry; the phosphate content of the aluminum tripolyphosphate is 48-52%, and the whiteness is more than or equal to 90%, such as environmental-friendly zinc phosphate of Changzhou plastics; the wollastonite content of the wollastonite powder is not less than 90%, and the average particle size is 800-1000 meshes, for example, the wollastonite powder is used for a coating produced by Shijiazhuanina chemical industry.
Preferably, the cosolvent is selected from alcohol ether (e.g., DPnB, DPM, PM, etc.) or alcohol ester (e.g., texnol, etc.) cosolvents, which have low odor and relatively high boiling point, and meet health and environmental requirements.
Preferably, the aqueous auxiliary agent comprises one or a mixture of a plurality of defoaming agents, dispersing agents, adhesion promoters, wetting agents, thickening agents, anti-settling agents and pH regulators;
the antifoaming agent is a hydrophobically modified silicone based antifoaming agent (e.g., tego Airex902w, tego810, basf sl2280, etc.); the dispersant is a high molecular polymer dispersant (e.g., rabdosian 494, BYK190, basfrura PX 4585, etc.); the adhesion promoter is a special high molecular polymer adhesion promoter (such as Tech-7063, lubrizol 2064 and the like); the wetting agent is a polymer modified wetting agent (e.g., BYK346, TECH-245, tego surfynol 440, etc.).
The water-based environment-friendly primer-topcoat integrated coating for ship building and cabins adopts the special modified emulsion as a main film forming material, has high crosslinking density and more compact chemical structure, is matched with the optimal functional pigment and filler, ensures that the coating film has excellent corrosion resistance, adhesive force, impact resistance, wear resistance, glossiness and outstanding flexibility, combines the performances of the water-based primer and the water-based topcoat, and meets the actual requirements of ship building and cabins; meanwhile, the coating is suitable for common coating construction equipment and processes, can reduce the number of construction tracks, greatly shorten the construction period, improve the operation efficiency, realize effective unification of environmental protection, construction convenience, corrosion resistance and decoration, well solve the construction application bottleneck of the water-based coating in the field of ships, and has higher market application value.
Detailed Description
It should be understood by those skilled in the art that the present embodiment is only for illustrating the present invention and is not to be used as a limitation of the present invention, and changes and modifications of the embodiment can be made within the scope of the claims of the present invention.
The raw materials used in this example are all commercially available.
Examples 1 to 2
An eco-friendly aqueous primer-topcoat coating for marine structures and cabins of examples 1-2, wherein a typical formulation comprises the following components, is shown in table 1.
TABLE 1 raw material mass fractions of examples 1-2
Examples 3 to 4
An environmentally friendly waterborne basecoat of examples 3-4 for use in marine structures and cabins wherein a typical formulation comprises the following components, is shown in Table 2.
TABLE 2 raw material mass fractions for examples 3-4
Examples 5 to 6
An environmentally friendly waterborne basecoat of examples 5-6 for use in marine structures and cabins wherein a typical formulation comprises the following components, is shown in Table 3.
TABLE 3 raw material mass fractions for examples 5 to 6
The environment-friendly water-based primer-topcoat coating for ship buildings and cabins obtained in examples 1-6 is subjected to salt spray resistance, adhesive force, artificial aging resistance, flexibility and water resistance tests, and the test results are shown in table 5.
TABLE 5 test results of film coating performance of examples 1 to 6
As can be seen from Table 5, the waterborne environmentally friendly primer-topcoat coating for ship buildings and cabins has the advantages of excellent salt spray resistance, high adhesive force, and excellent water resistance and artificial aging resistance.
Claims (8)
1. The water-based environment-friendly primer-topcoat integrated coating for ship buildings and cabins is characterized by comprising the following components in percentage by mass:
50 to 70 percent of special modified emulsion,
5 to 15 percent of pigment,
10 to 25 percent of functional filler,
3 to 8 percent of cosolvent,
3 to 8 percent of water-based auxiliary agent,
7 to 12 percent of water;
the special modified emulsion is one or more of self-crosslinking acrylate modified copolymer emulsion, water-based acrylic acid epoxy hybrid emulsion and water-based nano hybrid resin.
2. The water-based environment-friendly primer-topcoat coating as claimed in claim 1, wherein the self-crosslinking acrylate modified copolymer emulsion has a solid content of 40-45 wt%, a pH value of 7.5-8.5, a minimum film-forming temperature of 34 ± 2 ℃, and a viscosity of less than 200 mPa.s; the water-based acrylic acid epoxy hybrid emulsion comprises 50-52% of solid by weight, has a pH value of 8.5-9.5 and has a minimum film-forming temperature of 15 +/-2 ℃; the water-based nano hybrid resin has the weight solid content of 30-35%, the pH value of 8.5-9.5, the lowest film-forming temperature of 0 +/-2 ℃ and the viscosity of less than 100 mPa.s.
3. The water-based environment-friendly primer-topcoat coating as claimed in claim 1, wherein the pigment is one or more selected from titanium dioxide, iron oxide red, carbon black, iron yellow, aluminum paste and water-based color paste.
4. The water-based environment-friendly primer-topcoat coating as claimed in claim 1, wherein the functional filler is a mixture of one or more of zinc phosphate, aluminum tripolyphosphate, precipitated barium sulfate, talc, mica powder and wollastonite powder.
5. The water-based environment-friendly primer-topcoat coating as claimed in claim 5, wherein the zinc phosphate is environment-friendly zinc phosphate, and has a zinc content of 45% or more, a phosphate content of 43-47%, and a whiteness of 95% or more; the phosphate radical content of the aluminum tripolyphosphate is 48-52%, and the whiteness is more than or equal to 90%; the wollastonite content of the wollastonite powder is not less than 90%, and the average particle size is 800-1000 meshes.
6. The water-based environment-friendly primer-topcoat coating as claimed in claim 1, wherein the cosolvent is selected from alcohol ether cosolvent and alcohol ester cosolvent.
7. The water-based environment-friendly primer-topcoat coating as claimed in claim 1, wherein the water-based auxiliary agent comprises one or more of a defoamer, a dispersant, an adhesion promoter, a wetting agent, a thickener, an anti-settling agent and a pH regulator.
8. The water-based environment-friendly primer-topcoat coating as claimed in claim 7, wherein the defoamer is a hydrophobically modified silicone defoamer; the dispersing agent is a high molecular polymer dispersing agent; the adhesion promoter is a special high molecular polymer adhesion promoter; the wetting agent is a polymer modified wetting agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004824.6A CN112812639A (en) | 2021-01-04 | 2021-01-04 | Waterborne environment-friendly primer-topcoat coating for ship building and cabin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110004824.6A CN112812639A (en) | 2021-01-04 | 2021-01-04 | Waterborne environment-friendly primer-topcoat coating for ship building and cabin |
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| CN112812639A true CN112812639A (en) | 2021-05-18 |
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| CN202110004824.6A Pending CN112812639A (en) | 2021-01-04 | 2021-01-04 | Waterborne environment-friendly primer-topcoat coating for ship building and cabin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115651504A (en) * | 2022-11-15 | 2023-01-31 | 东莞中瀛涂料有限公司 | Low-VOC primer and preparation method and application thereof |
| CN115975456A (en) * | 2022-12-07 | 2023-04-18 | 上海船舶工艺研究所(中国船舶集团有限公司第十一研究所) | Water-based resin strippable transparent heat-insulating coating capable of being filled in aerosol can |
| CN116333569A (en) * | 2023-03-31 | 2023-06-27 | 上海固密特新材料科技有限公司 | Weather-resistant water-based flexible protective coating, preparation method thereof and application thereof in concrete waterproof engineering |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590233A (en) * | 2017-01-25 | 2017-04-26 | 青岛爱尔家佳新材料股份有限公司 | Waterborne anti-condensation coating and preparation method thereof |
-
2021
- 2021-01-04 CN CN202110004824.6A patent/CN112812639A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590233A (en) * | 2017-01-25 | 2017-04-26 | 青岛爱尔家佳新材料股份有限公司 | Waterborne anti-condensation coating and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115651504A (en) * | 2022-11-15 | 2023-01-31 | 东莞中瀛涂料有限公司 | Low-VOC primer and preparation method and application thereof |
| CN115975456A (en) * | 2022-12-07 | 2023-04-18 | 上海船舶工艺研究所(中国船舶集团有限公司第十一研究所) | Water-based resin strippable transparent heat-insulating coating capable of being filled in aerosol can |
| CN116333569A (en) * | 2023-03-31 | 2023-06-27 | 上海固密特新材料科技有限公司 | Weather-resistant water-based flexible protective coating, preparation method thereof and application thereof in concrete waterproof engineering |
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Application publication date: 20210518 |